It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
9998574 is an admirable number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
Almost surely, 29998574 is an apocalyptic number.
9998574 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9998574 is a wasteful number, since it uses less digits than its factorization.
9998574 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1666434.
The square root of 9998574 is about 3162.0521817326. The cubic root of 9998574 is about 215.4332277701.
The spelling of 9998574 in words is "nine million, nine hundred ninety-eight thousand, five hundred seventy-four".